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Powersoft Ottocanali 12K4

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Up to 12 kW for powering Lo-Z and Hi-Z transducers

  • Fixed frequency switchmode output stage for high grade sound accuracy
  • All models 2 RU for reduced rack cost and space
  • Light weight – for easier racking and shipping: 14 kg / 30.8 lbs
  • Standard Phoenix connectors: analog and digital input, audio outputs, aux supply, alarms and GPIO
  • Remotely switchable double input (main and aux) per channel
Powersoft
Category: SKU: AM/POW/PWS19

8-channel power amplifiers with up to a total of 12,000 W at 4 ohm – ideal for multi-zone applications in mid to large-scale installs.

All versions in the Series feature switchable main and aux signal inputs per channel, adequate GPI/O, alarms, Lo-Z and Hi-Z output connections as well as mono-bridgeable channel pairs. 

The Ottocanali 12K4 is a flexible and reliable 8-channel power amplifiers with up to a total of 12,000 W at 4Ω, ideal for multi-zone applications in medium to large-scale installs: Ottocanali 12K4 supports any combination of lo-Z loudspeakers, mono-bridgeable channel pairs and 70V/100V Hi-Z distributed lines with no need for output step-up transformers. The Ottocanali 12K4 features switchable main/aux signal inputs and offers a wide range of system control, alarms, GPI/O and monitoring functions as well as sound shaping options.

The Ottocanali 12K4 implements redundant universal switch mode power supplies with PFC and patented SRM (Smart Rails Management) technology maximizing reliability, efficiency and reducing power consumption.

Powersoft’s legendary efficiency saves valuable energy, keeping both operational cost and ‘carbon footprint’ at a minimum: the Ottocanali 12K4 shines with outstandingly low power consumption and heat dissipation; This dramatically reduces costs from the AC mains supply and air conditioning/cooling systems – not to mention the benefits to the environment for a greener planet.

Designed to always fit in, Powersoft’s range of install-dedicated amplifier platforms caters to all system sizes. Whether renewing an obsolete system or creating a new one, Powersoft’s patented designs allow for flawless integration within existing structures, and for great value in long run saving strategies.

Power supply

  • Redundant universal switch mode power supply up to 400VAC tolerant with Power Factor Correction
  • Patented output filter with ripple cancellation network
  • Low Inrush Limiting reduces AC inrush current, removing the need for expensive power sequencers
  • Detachable AC mains cable with IEC C19/22.2 (16A for EU, 20 A for USA) socket

Protections
Fully protected circuit design with:

  • Ac protection: shut down power supply when AC mains voltage is outside operating range
  • Clip limiter: prevents severely clipped waveforms from reaching loudspeakers, while still maintaining full peak power output
  • DC protection: protects against infrasonic signal at the outputs
  • VHF protections: protects the loudspeakers against non audible, strong, non musical high frequency signals
  • Short circuit protection: protects the amplifier from short circuit or other stressful events for the output circuits with automatic protection reset
  • Long term limiter: protects the loudspeaker against steady long term rms (non audio) signals reducing maximum output
  • Thermal protection: output stages operating temperature up to 80 °C (176 °F)
  • Temperature controlled continous variable speed fan, front to back airflow

General

  • Fixed frequency switchmode output stage for high grade sound accuracy
  • All models 2 RU for reduced rack cost and space
  • Light weight – for easier racking and shipping: 14 kg / 30.8 lbs
  • Standard Phoenix connectors: analog and digital input, audio outputs, aux supply, alarms and GPIO
  • Remotely switchable double input (main and aux) per channel

Loudspeaker system configuration

  • Direct drive either low impedance loads or 70V / 100V Hi-Z distributed lines
  • Switchable 35Hz / 70Hz high pass filter per channel
  • Mixed configuration with Lo-Z/Hi-Z systems possible
  • Bridged mode low impedance per channel pair

Alarms and GPIO

  • General Purpose Input/Output alarm interfaces:
    • dangerous DC in the output power signal
    • thermal stress
  • Configurable alarm contact NC/NO per channel
  • Remote AUX input / MAIN input switch
  • Remote ON/OFF switch
  • PWS OUT connector providing up to 24VDC
General
Number of channels 8
Output power Single channel mode Distributed line* Bridge mode
2 Ω 4 Ω 8 Ω   70V 100V 4 Ω 8 Ω 16 Ω  
1000 W 1500 W 850 W 1500 W 1500 W 2200W 3000W 1700 W
Max output voltage / current 150 Vpeak / 54 Apeak 100 Vpeak 140 Vpeak 300 Vpeak
AC Main Power
Power supply Reduntant, universal, regulated switch mode with PFC
Nominal power requirement 100-240 V ±10%, 50-60 Hz
Operating voltage 90 V – 264 V
Power consuption** 115 V 230 V
Idle 47 W 0.75 A 50 W 0.7 A
1/8 of max output power @ 4 Ω 2075 W 18.5 A 2115 W 9.7 A
1/4 of max output power @ 4 Ω 4150 W 36 A 4230 W 18.6 A
Thermal
Operating temperature range 0° – 45° C | 32° – 113° F
Thermal dissipation** 115 V 230 V
Idle 160 BTU/h 40.3 kcal/h 170 BTU/h 42.8 kcal/h
1/8 of max output power @ 4 Ω 2141 BTU/h 539.5 kcal/h 1937 BTU/h 488.1 kcal/h
1/4 of max output power @ 4 Ω 4283 BTU/h 1,079.3 kcal/h 3874 BTU/h 976.2 kcal/h
AUDIO
Gain 32 dB
Input sensitivity 1.94 V / 8 dBu
Max input level 6 V / 17.8 dBu
Frequency response 20 Hz – 20 kHz (±0.5 dB) @ 1 W, 8 Ω
S/N ratio > 109 dB (20 Hz – 20 kHz, A weighted)
Crosstalk separation > 70 dB @ 1kHz (4 Ω)
THD+N < 0.08% from 0.1 W to full power (typically <0.05%)
IMD < 0.8% from 1 W to full power (typically <0.05%)
Input impedance 10 kΩ balanced
Slew rate 50 V/μs @ 8Ω, input filter bypassed
Damping factor > 10000 @ 100 Hz (Lo-Z)
Front panel
Indicators and Controllers 8 x LED bar – Signal level and over-temperature protection
8 x Knob – Level attenuator (continuous)
1 x Push-button – Toggle PWS OUT
4 x DIP switch – Toggle energy save on/off per channel pair
Connectors
AC main 1 x IEC C20 connector – 20 A max (region-specific power cord provided)
Audio signal input 1 x 12 pin Phoenix MC 1.5/12-ST-3.81 – Signal input – MAIN
1 x 12 pin Phoenix MC 1.5/12-ST-3.81 – Signal input – AUX
Alarm 2 x 12 pin Phoenix MC 1.5/12-ST-3.81 – Alarm connector
Remote command 1 x 4 pin Phoenix MC 1.5/4-ST-3.81 – Remote line/aux switch and PWS out
1 x 4 pin Phoenix MC 1.5/4-ST-3.81 – Remote on/off switch and aux voltage
Loudspeakers 2 x 8 pin Phoenix DFK-PC 4/8-G-7.62 – Signal output
Rear panel
Indicators and Controllers 8 x DIP switch – Toggle lo/hi impedance connection
8 x DIP switch – Toggle 70V/100V distributed line nominal voltage
8 x DIP switch – Toggle High Pass Filter
8 x DIP switch – Toggle 35Hz/70Hz HPF cutting frequency
1 x Power switch –
Construction
Dimensions (L x H x W) 483 mm x 89 mm x 360 mm (19.0 in x 3.5 in x 14.2 in)
Weight 14 kg (30.9 lb)

Brand

Powersoft

Powersoft

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